General Category > Quadrajet Carb Talk and Tips

Q-Jet Rich transition from idle to off idle

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79Firebird_99TA:
Sorry ... I think I was confused too. I tried a spring from a 1994 kit (https://www.summitracing.com/parts/edl-1994) ... the orange spring. Everything else is from your kit. The carb performs great except that the pump shot is too strong. The accelerator pump that I pulled out had two springs  (not the return spring in the float bowl).  It's possible that I picked up the wrong pump when I rebuilt it. If I disable the accelerator pump (as a test) the throttle response is good.

79Firebird_99TA:
Ok .. problem is solved. The accelerator pump had 2 springs and was obviously stiffer. I have no idea where that part came from ... anyhow, I removed one spring and it's good to go.

Cliff Ruggles:
Good news....

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